HTTP request class for PHP

This article mainly introduces the PHP HTTP request class, has a certain reference value, now share to everyone, the need for friends can refer to

<?phpnamespace App\lib;class lib_http{//initiates a network request public function call ($url, $args = null, $method = "POST", $testflag        = 0, $timeout =, $headers = Array ()) {/*{{{*/lib_log::set_log (' http ', $url);        $ret = false;        $i = 0;            while ($ret = = = False) {if ($i > 1) break;            if ($i > 0) {sleep (1);            } $ret = $this->callonce ($url, $args, $method, False, $timeout, $headers);        $i + +;    } return $ret; }/*}}}*/Private Function Callonce ($url, $args = null, $method = "POST", $withCookie = False, $timeout = Curl_timeout,        $headers = Array ()) {/*{{{*/$ch = Curl_init ();            if ($method = = "Post") {$data = $this->convert ($args);            curl_setopt ($ch, Curlopt_postfields, $data);        curl_setopt ($ch, Curlopt_post, 1);            } else {$data = $this->convert ($args); if ($data) {if (Stripos ($URL, "?")                > 0) {$url. = "& $data";                } else {$url. = "$data";        }}} curl_setopt ($ch, Curlopt_url, $url);        curl_setopt ($ch, Curlopt_timeout, $timeout);       curl_setopt ($ch, Curlopt_returntransfer, 1);        curl_setopt ($ch, Curlopt_header, true);        if (!empty ($headers)) {curl_setopt ($ch, Curlopt_httpheader, $headers);        } if ($withCookie) {curl_setopt ($ch, Curlopt_cookiejar, $_cookie);        } $r = Curl_exec ($ch);       Curl_close ($ch);    return $r;        }/*}}}*/Private Function convert (& $args) {/*{{{*/$data = ';                    if (Is_array ($args)) {foreach ($args as $key = + $val) {if (Is_array ($val)) { foreach ($val as $k = = $v) {$data. = $key. ' ['. $k. ']=' . Rawurlencode ($v).                    ' & ';   }} else {                 $data. = "$key =". Rawurlencode ($val).                "&";        }} return Trim ($data, "&");    } return $args; }/*}}}*/}